Compaq Presario CQ40-524AX/525AX XP Divers

AMD CHIPSET
(netframework installed first)
South Bridge Driver:
Download (AMD SITE)
Download (mediafire)

 AUDIO:
Ok here to install the audio in pretty tricky, your model is design for vista so to install audio for windows XP we need to do some work. Foloow step below:

1.Install MS-UAA first:
both ms-uaa sp33867 and kb888111 are similar files.
Windows XP SP2: Download (SP33867.exe)
                              Download (KB888111)
Windows XP SP3: Download (KB835221)

2.restart and then install Audio:
(there are two applicable audio driver, SP39671 and SP41500 i recommeded  use SP41500.)
IDT - High Definition Audio Codecs (SP39671)
Download (ftp)
Download (mediafire)
or
SP41500 Download (ftp) - recommended
Download (mediaifre)

3. The installation of IDT(both SP39671 and SP41500) will resulting in error. Don't worry continue to install it manually by follow the guide here:
Manually install Audio Drivers.


GRAPHIC:
ATI Mobility Radeon HD 3200/3450/4200/4330 Graphics
Download
If you have problems installing the Graphic drivers read instruction here:
Installation Guide ATI RADEON HD3200

ATI HDMI:
Download

WIRELESS:
===========
Choose one of the wireless driver base on your specs, if you dont know, just try each driver (there are no risk and will not harm your system)
---------------------------------------------------------
Broadcom: Download

Intel: Download
(requires windows installer 3.0 installed first)

Atheros: Download (direct)
or here (atheros site)
 ==================

HP Integrated Module with Bluetooth Wireless Technology
Download

HP Wireless Assitant:
Download  

CARD READER
JMB38X Card Reader Host Controller
Download

ALPS Touchpad
Download


LIGHTSCRIBE:
Lightscribe system software
Download

ENE-CIR Reciever:
Download

ALPS Touchpad
Download